MEDI7212 Lecture Notes - Lecture 12: Listeria Monocytogenes, Carboxyhemoglobin, Frontal Lobe
Document Summary
Significant psychiatric distress and disability: major head trauma criteria (ihs) Loc > 30min: 45min post-traumatic amnesia, objective measures of cranial or neurologic trauma. Investigations: ct scan - patient with significant skull fracture, scalp hematoma, neurologic deficit, altered level of consciousness, abnormal behaviour, coagulopathy, persistent vomiting, age 65+yo, treat - simple analgesia or require preventive treatment like in migraines (severe posttraumatic headache) Unruptured cns aneurysm: new, unilateral throbbing headache, 3 types of clinical presentations, asymptomatic detection - patient has ruptured aneurysm but another nonruptured. Seizures: headache + visual disturbance = craniopharyngioma, headache + retro-orbital pain = meningioma, headache + l sided hemiparesis = glioma, mri is choice of imaging; ct for patients with low suspicion. Intracranial mass lesion: displacement of vascular structures and other pain-sensitive tissues by intracranial mass, non-specific pain and location, worse lying down (awakens patient at night) or in morning after overnight recumbency. Investigations indicated: new or worsening headache in middle or later life.
